The oath. Gray O.

The king of the kingdom Penriff freed her from imprisonment, and Heven Eshwood vowed to defend him. In the afternoon, she is a royal bodyguard, and at night she secretly fights the monsters behind the walls of the castle. But when the lord of the shadows abducts Prince Bella, Heven has to unite with the arrogant Asheron Hafbabein to save his friend.

The journey leads them to the possession of the cruel queen. Once in the world of powerful magic and legendary creatures, Heven understands that not only her own feelings, but also the contradictory forces raging inside, caught her by surprise. Her rare and forbidden magic may be their only hope... But you need to pay for the mixing of light and darkness.

and the price is the soul of chewven. The queen planning to destroy the kingdom, Heven is sure of only one. She must destroy the curse, otherwise it will destroy everything that she loves.